TY - SLIDE KW - workshop KW - meteorological operational systems AU - A Ghelli AU - S. Mason AU - L. Wilson AU - B Casati AU - B Brown AU - Beth Ebert AU - J. Stein AU - P. Nurmi C1 - Events DA - 2009 LA - eng PY - 2009 TI - Observations and their importance in the verification process: view of the joint working group on forecast verification (JWGFVR) UR - https://www.ecmwf.int/node/15171 ER -